File size: 6,278 Bytes
2929135
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
# src/models/state.py
from typing import Annotated, List, Dict, Optional
from typing_extensions import TypedDict  # Changed this import
from langchain_core.messages import AnyMessage
from datetime import datetime
import operator
from enum import Enum
from langchain_core.messages import HumanMessage, SystemMessage, AnyMessage


class TaskType(str, Enum):
    PATIENT_FLOW = "patient_flow"
    RESOURCE_MANAGEMENT = "resource_management"
    QUALITY_MONITORING = "quality_monitoring"
    STAFF_SCHEDULING = "staff_scheduling"
    GENERAL = "general"

class PriorityLevel(int, Enum):
    LOW = 1
    MEDIUM = 2
    HIGH = 3
    URGENT = 4
    CRITICAL = 5

class Department(TypedDict):
    """Department information"""
    id: str
    name: str
    capacity: int
    current_occupancy: int
    staff_count: Dict[str, int]
    wait_time: int

class PatientFlowMetrics(TypedDict):
    """Metrics related to patient flow"""
    total_beds: int
    occupied_beds: int
    waiting_patients: int
    average_wait_time: float
    admission_rate: float
    discharge_rate: float
    department_metrics: Dict[str, "Department"]

class ResourceMetrics(TypedDict):
    """Metrics related to resource management"""
    equipment_availability: Dict[str, bool]
    supply_levels: Dict[str, float]
    resource_utilization: float
    pending_requests: int
    critical_supplies: List[str]

class QualityMetrics(TypedDict):
    """Metrics related to quality monitoring"""
    patient_satisfaction: float
    care_outcomes: Dict[str, float]
    compliance_rate: float
    incident_count: int
    quality_scores: Dict[str, float]
    last_audit_date: datetime

class StaffingMetrics(TypedDict):
    """Metrics related to staff scheduling"""
    total_staff: int
    available_staff: Dict[str, int]
    shifts_coverage: Dict[str, float]
    overtime_hours: float
    skill_mix_index: float
    staff_satisfaction: float

class HospitalMetrics(TypedDict):
    """Combined hospital metrics"""
    patient_flow: PatientFlowMetrics
    resources: ResourceMetrics
    quality: QualityMetrics
    staffing: StaffingMetrics
    last_updated: datetime

class AnalysisResult(TypedDict):
    """Analysis results from nodes"""
    category: TaskType
    priority: PriorityLevel
    findings: List[str]
    recommendations: List[str]
    action_items: List[Dict[str, str]]
    metrics_impact: Dict[str, float]


class HospitalState(TypedDict):
    """Main state management for the agent"""
    messages: Annotated[List[AnyMessage], operator.add]
    current_task: TaskType
    priority_level: PriorityLevel
    department: Optional[str]
    metrics: HospitalMetrics
    analysis: Optional[AnalysisResult]
    context: Dict[str, any]  # Will include routing information
    timestamp: datetime
    thread_id: str


def create_initial_state(thread_id: str) -> HospitalState:
    """Create initial state with default values"""
    return {       
        "messages": [],
        "current_task": TaskType.GENERAL,
        "priority_level": PriorityLevel.MEDIUM,
        "department": None,
        "metrics": {
            "patient_flow": {
                "total_beds": 300,
                "occupied_beds": 240,
                "waiting_patients": 15,
                "average_wait_time": 35.0,
                "admission_rate": 4.2,
                "discharge_rate": 3.8,
                "department_metrics": {}
            },
            "resources": {
                "equipment_availability": {},
                "supply_levels": {},
                "resource_utilization": 0.75,
                "pending_requests": 5,
                "critical_supplies": []
            },
            "quality": {
                "patient_satisfaction": 8.5,
                "care_outcomes": {},
                "compliance_rate": 0.95,
                "incident_count": 2,
                "quality_scores": {},
                "last_audit_date": datetime.now()
            },
            "staffing": {
                "total_staff": 500,
                "available_staff": {
                    "doctors": 50,
                    "nurses": 150,
                    "specialists": 30,
                    "support": 70
                },
                "shifts_coverage": {},
                "overtime_hours": 120.5,
                "skill_mix_index": 0.85,
                "staff_satisfaction": 7.8
            },
            "last_updated": datetime.now()
        },
        "analysis": None,
        "context": {
             "next_node": None  # Add routing context
        },
        "timestamp": datetime.now(),
        "thread_id": thread_id
    }

def validate_state(state: HospitalState) -> bool:
    """Validate state structure and data types"""
    try:
        # Basic structure validation
        required_keys = [
            "messages", "current_task", "priority_level",
            "metrics", "timestamp", "thread_id"
        ]
        for key in required_keys:
            if key not in state:
                raise ValueError(f"Missing required key: {key}")

        # Validate messages
        if not isinstance(state["messages"], list):
            raise ValueError("Messages must be a list")
        
        # Validate each message has required attributes
        for msg in state["messages"]:
            if not hasattr(msg, 'content'):
                raise ValueError("Invalid message format - missing content")

        # Validate types
        if not isinstance(state["current_task"], TaskType):
            raise ValueError("Invalid task type")
        if not isinstance(state["priority_level"], PriorityLevel):
            raise ValueError("Invalid priority level")
        if not isinstance(state["timestamp"], datetime):
            raise ValueError("Invalid timestamp")

        return True

    except Exception as e:
        raise ValueError(f"State validation failed: {str(e)}")

def update_state_metrics(
    state: HospitalState,
    new_metrics: Dict,
    category: str
) -> HospitalState:
    """Update specific category of metrics in state"""
    if category not in state["metrics"]:
        raise ValueError(f"Invalid metrics category: {category}")
    
    state["metrics"][category].update(new_metrics)
    state["metrics"]["last_updated"] = datetime.now()
    
    return state